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Finding the Fourth Proportional to 519,510.57, 779,310.27 and 182,521.95

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Solution

The fourth proportional to 519,510.57, 779,310.27 and 182,521.95 is: 273,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,510.57 : 779,310.27 = 182,521.95 : x
  2. Step 2: Convert to fraction form
    519,510.57/779,310.27 = 182,521.95/x
  3. Step 3: Cross multiply
    519,510.57x = 779,310.27 × 182,521.95
  4. Step 4: Simplify right side
    519,510.57x = 142,241,230,135.43
  5. Step 5: Solve for x
    x = 142,241,230,135.43/519,510.57
  6. Step 6: Final answer
    x = 273,798.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.